/***
 * ASM: a very small and fast Java bytecode manipulation framework
 * Copyright (c) 2000-2011 INRIA, France Telecom
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.objectweb.asm.tree;

import org.objectweb.asm.Opcodes;
import org.objectweb.asm.TypePath;
import org.objectweb.asm.TypeReference;

/**
 * A node that represents a type annotationn.
 * 
 * @author Eric Bruneton
 */
public class TypeAnnotationNode extends AnnotationNode {

  /**
   * A reference to the annotated type. See {@link TypeReference}.
   */
  public int typeRef;

  /**
   * The path to the annotated type argument, wildcard bound, array element
   * type, or static outer type within the referenced type. May be <tt>null</tt>
   * if the annotation targets 'typeRef' as a whole.
   */
  public TypePath typePath;

  /**
   * Constructs a new {@link AnnotationNode}. <i>Subclasses must not use this
   * constructor</i>. Instead, they must use the
   * {@link #TypeAnnotationNode(int, int, TypePath, String)} version.
   * 
   * @param typeRef
   *          a reference to the annotated type. See {@link TypeReference}.
   * @param typePath
   *          the path to the annotated type argument, wildcard bound, array
   *          element type, or static inner type within 'typeRef'. May be
   *          <tt>null</tt> if the annotation targets 'typeRef' as a whole.
   * @param desc
   *          the class descriptor of the annotation class.
   * @throws IllegalStateException
   *           If a subclass calls this constructor.
   */
  public TypeAnnotationNode(final int typeRef, final TypePath typePath, final String desc) {
    this(Opcodes.ASM6, typeRef, typePath, desc);
    if (getClass() != TypeAnnotationNode.class) {
      throw new IllegalStateException();
    }
  }

  /**
   * Constructs a new {@link AnnotationNode}.
   * 
   * @param api
   *          the ASM API version implemented by this visitor. Must be one of
   *          {@link Opcodes#ASM4}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}
   *          .
   * @param typeRef
   *          a reference to the annotated type. See {@link TypeReference}.
   * @param typePath
   *          the path to the annotated type argument, wildcard bound, array
   *          element type, or static inner type within 'typeRef'. May be
   *          <tt>null</tt> if the annotation targets 'typeRef' as a whole.
   * @param desc
   *          the class descriptor of the annotation class.
   */
  public TypeAnnotationNode(final int api, final int typeRef, final TypePath typePath, final String desc) {
    super(api, desc);
    this.typeRef = typeRef;
    this.typePath = typePath;
  }
}
